% perl -w -MFile::Slurp -le 1
v-string in use/require non-portable at /home/rkitover/perl5/perlbrew/perls/perl-5.10.0/lib/site_perl/5.10.0/File/Slurp.pm line 3.
This can be fixed by changing the "use 5.6.2;" to "use 5.006002;"